Errors Displayed on the Map Page
600-00151-001 Rev 01
-21-
Envision EX5000
2.5
Errors Displayed on the Map Page
In general, the following errors are generated externally to the MFD,
but you may notice them on the Map or other pages within FlightMax.
2.5.1
Loss of GPS Input
Loss of primary GPS is annunciated in a number of ways on your
EX5000.
l
The “Nav Source not communicating” message displays.
l
The aircraft symbol is removed.
l
There is no heading information displayed (if GPS is lost, no
heading is displayed regardless of heading source).
l
The desired track icon is removed from the compass rose.
l
There is no groundspeed information displayed.
The EX5000 continues to provide Datalink weather for your flight at
its last known position. If the primary GPS fails during flight and you
have a second GPS connected to the EX5000, you may switch your
GPS input to the backup source by pressing the Nav Src button on
the Aux page.
2.5.2
Loss of Heading Input
The source for heading data on your aircraft is dependent upon the
particular complement of equipment you have installed in your
aircraft. Loss of heading is typically associated with the failure of one
of the following:
l
The WX-500 Stormscope system (if installed and a heading
source is connected to the WX-500).
l
The Skywatch system (if installed and a heading source is
connected to the TAS).
l
A problem with heading from a Primary Flight Display (PFD).
l
The GPS (This would be a pass through of the heading from
another source, such as an Avidyne PFD. The GPS does not
determine heading).
If an installed heading source becomes unavailable or invalid, the
EX5000 will automatically switch to using GPS track for map
alignment.
Summary of Contents for Envision EX5000
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